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Finding the Fourth Proportional to 112,397.66, 167,776.52 and 98,209.74

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Solution

The fourth proportional to 112,397.66, 167,776.52 and 98,209.74 is: 146,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,397.66 : 167,776.52 = 98,209.74 : x
  2. Step 2: Convert to fraction form
    112,397.66/167,776.52 = 98,209.74/x
  3. Step 3: Cross multiply
    112,397.66x = 167,776.52 × 98,209.74
  4. Step 4: Simplify right side
    112,397.66x = 16,477,288,407.30
  5. Step 5: Solve for x
    x = 16,477,288,407.30/112,397.66
  6. Step 6: Final answer
    x = 146,598.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.